Your picture should not contain text.
It should feature the city and ideally show a well-known landmark it is known for.
Please do not upload your logo or Facebook header image, as those will not play nicely with the layout of the website.
Please be careful which picture you upload here so that it does not violate copyright law.
When you want to use a picture you found through a search engine, you have to make sure that you are allowed to use it.
Usually, pictures found through a regular search engine are not licensed freely and must not be uploaded here.
In order not to violate any copyright, use pictures taken by other EYPers or use the recommended websites below, which allow you to search by license.
Make sure to search for pictures under one of the Creative Commons licenses, which allow you to use the picture as long as you credit the original author.
You need to make sure that the picture you use entails the respective (Creative Commons) license and then correctly attribute the author and license version below.